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[35.235.96.74]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e0b6c4bcddsm8427642a91.4.2024.09.30.14.07.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2024 14:07:50 -0700 (PDT) From: Joe Damato To: netdev@vger.kernel.org Cc: pkaligineedi@google.com, horms@kernel.org, Joe Damato , Jeroen de Borst , Shailend Chand , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Willem de Bruijn , linux-kernel@vger.kernel.org (open list) Subject: [net-next v2 1/2] gve: Map IRQs to NAPI instances Date: Mon, 30 Sep 2024 21:07:07 +0000 Message-ID: <20240930210731.1629-2-jdamato@fastly.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240930210731.1629-1-jdamato@fastly.com> References: <20240930210731.1629-1-jdamato@fastly.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Use netdev-genl interface to map IRQs to NAPI instances so that this information is accessible by user apps via netlink. $ cat /proc/interrupts | grep gve | grep -v mgmnt | cut -f1 --delimiter=':' 34 35 36 37 38 39 40 [...] 65 $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \ --dump napi-get --json='{"ifindex": 2}' [{'id': 8288, 'ifindex': 2, 'irq': 65}, [...] {'id': 8263, 'ifindex': 2, 'irq': 40}, {'id': 8262, 'ifindex': 2, 'irq': 39}, {'id': 8261, 'ifindex': 2, 'irq': 38}, {'id': 8260, 'ifindex': 2, 'irq': 37}, {'id': 8259, 'ifindex': 2, 'irq': 36}, {'id': 8258, 'ifindex': 2, 'irq': 35}, {'id': 8257, 'ifindex': 2, 'irq': 34}] Signed-off-by: Joe Damato Reviewed-by: Praveen Kaligineedi --- v2: - Fix a spelling error in the commit message, pointed out by Simon Horman drivers/net/ethernet/google/gve/gve_utils.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/google/gve/gve_utils.c b/drivers/net/ethernet/google/gve/gve_utils.c index 2349750075a5..30fef100257e 100644 --- a/drivers/net/ethernet/google/gve/gve_utils.c +++ b/drivers/net/ethernet/google/gve/gve_utils.c @@ -111,6 +111,7 @@ void gve_add_napi(struct gve_priv *priv, int ntfy_idx, struct gve_notify_block *block = &priv->ntfy_blocks[ntfy_idx]; netif_napi_add(priv->dev, &block->napi, gve_poll); + netif_napi_set_irq(&block->napi, block->irq); } void gve_remove_napi(struct gve_priv *priv, int ntfy_idx)